1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
8_murik_8 [283]
4 years ago
11

Which two cellular structures have a role in protecting cells from the enviroment

Chemistry
2 answers:
qaws [65]4 years ago
4 0
The nucleus and ribosomes help protect cells from the environment. 
Anna [14]4 years ago
3 0
The cell membrane and cell wall for plants animal cells don't have cell walls
You might be interested in
A. Energy is transferred to different forms
Luden [163]

Answer:

A. Energy is transferred to different forms .

Explanation:

Hello!

In this case, we need to consider the law of conservation of mass and energy which states that mass and energy cannot be neither created nor destroyed, just modified; it means we can rule out B. and C. so far.

Moreover, since D. is actually true for combustion reactions because they are used to provide energy in industrial operations, this is not the concern here because a combustion reaction is not considered.

Therefore the correct option is A. Energy is transferred to different forms as the energy provided by Rose is transferred to the pendulum system .

Best regards!

3 0
3 years ago
Calculate the [H3O+] of solutions a and b; calculate the [OH-] solutions c and d.
patriot [66]

Answer:

I got the answers but it won't let me post it correctly on here....

Explanation:

9.) 10-2.76 =0.0174 [H30+]= 1.74*10-3 M

10.)10-3.65=0.00224  [H3O+] =2.24*10-2 M

11.)10-3.65=0.00224 [OH-]= 2.224*10-4M

12.)10-6.87=0.00000135  [OH-]= 1.35*10-7M

3 0
3 years ago
What is the change in internal energy ( ΔU ) of the system if q = –8 kJ and w = –1 kJ for a certain process?
Radda [10]

Answer:

Change in internal energy (ΔU) = -9 KJ

Explanation:

Given:

q = –8 kJ [Heat removed]

w = –1 kJ [Work done]

Find:

Change in internal energy (ΔU)

Computation:

Change in internal energy (ΔU) = q + w

Change in internal energy (ΔU) = -8 KJ + (-1 KJ)

Change in internal energy (ΔU) = -8 KJ - 1 KJ

Change in internal energy (ΔU) = -9 KJ

6 0
3 years ago
A hot metal plate at 150°C has been placed in air at room temperature. Which event would most likely take place over the next fe
Inga [223]

Answer:

The air molecules that are surrounding the metal will speed up, and the molecules in the metal will slow down.

Explanation:

As molecules heat they begin to move faster. The heat from the metal plate will make the molecules at room temperature move faster. And the room temperature makes the hot place cool, making the hot plate molecules slow down.

To visualize this, you can use this link

https://phet.colorado.edu/en/simulations/gas-properties

click the play button to activate the activity

7 0
2 years ago
How many cm are in 3.1 mi
grandymaker [24]
It would be 498896.64 cm
5 0
3 years ago
Read 2 more answers
Other questions:
  • Energy cannot be created or destroyed. It can only be transferred from one form to another. Energy that is "wasted," does not di
    10·2 answers
  • What volume of water has the same mass as 3.0m3 of ethyl alcohol?
    15·1 answer
  • What kind of Romance Novels would kids between the age of 14-18 read. Whether it is an actual book or a book made on sites like
    15·1 answer
  • The rate of dissolution is affected by all of the following except the A. agitation of solute within the solvent. B. surface are
    11·1 answer
  • 20 points and brainliest for best answer
    11·2 answers
  • Describe the life of a damselfly
    10·2 answers
  • 2. In the water cycle, lake water will do which​
    8·1 answer
  • Convert the following<br> 1)<br> 52.1g NaNO3<br> To moles
    5·1 answer
  • Write short notes on different planet of the solar system​
    6·1 answer
  • Please give me your best chemistry joke. The best joke gets Brainlest.
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!